Watch case



FIG. 1 is a front perspective view of a watch case showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a top end elevational view thereof;

FIG. 4 is a front plan view thereof;

FIG. 5 is a left side elevational view thereof; and,

FIG. 6 is a back plan view thereof.

The bottom end elevational view is a mirror image of the top end elevational view illustrated in FIG. 3. The broken line showing of FIGS. 1 and 4 of the watch case is for illustrative purposes only and forms no part of the claimed design. 

An ornamental design for a watch case, as shown and described. 